Ithink it's a, but i'm not 100% sure

➷ As it is six sided, we can use this equation to calculate the sum of interior angles:

(n - 2) x 180

n is the number of sides

(6 - 2) x 180 = 720

Add together all the given angles:

100 + 115 + 130 + 105 + 95 = 545

720 - 545 = 175

The correct option should be D. 175

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5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

40% off the regular price is the correct answer.

step-by-step explanation: